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Can microbiota gut-brain axis reverse neurodegenerative disorders in human?
Ageing Res Rev
January 2025
Medical Science and Technology Innovation Center, Shandong Key Laboratory of Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, Shandong 250117, P R China; School of Medicine and Allied Health Sciences, University of The Gambia; Department of Medical Microbiology, Central South University Changsha, Hunan Provinces, China. Electronic address:
The trillions of microbial populations residing in the gut have recently shown that they can be used as a remedy for various diseases. The gut microbiota-brain-axis interface is one unique pathway that the microbiota demonstrates its medicinal value. This medicinal value is further seen when there is a decline in gut microbial diversity (dysbiosis).
View Article and Find Full Text PDFHuman HKU1-reactive CD4 T cells are enriched for cytolytic potential that persists in older adults.
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January 2025
David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA.
The emergence of SARS-CoV-2 increased interest in cellular immunity established by infections with human coronaviruses (HCoVs). Using PBMC from a cohort of human subjects collected prior to 2019, we assessed the abundance and phenotype of these CD4 T cells using cytokine Elispot assays. Unexpectedly, cytotoxic potential was uniquely enriched amongst HKU1-reactive CD4 T cells, as measured by quantification of granzyme producing cells.
View Article and Find Full Text PDFSymptom Evolution in Individuals with Ongoing Symptomatic COVID-19 and Post COVID-19 Syndrome After SARS-CoV-2 Vaccination Versus Influenza Vaccination.
J Infect
January 2025
MRC Unit for Lifelong Health and Ageing at UCL, Department of Population Science and Experimental Medicine, UCL Institute of Cardiovascular Science, University College London, London, UK; School of Biomedical Engineering & Imaging Sciences, King's College London, London, UK; Department of Computer Science, Centre for Medical Image Computing, University College London, London, UK. Electronic address:
Background: COVID-19 symptoms may persist beyond acute SARS-CoV-2 infection, as ongoing symptomatic COVID-19 [OSC] (symptom duration 4-12 weeks) and post-COVID syndrome [PCS] (symptom duration ≥12 weeks). Vaccination against SARS-CoV-2 decreases OSC/PCS in individuals subsequently infected with SARS-CoV-2 post-vaccination. Whether vaccination against SARS-CoV-2, or any other vaccinations (such as against influenza) affects symptoms in individuals already experiencing OSC/PCS, more than natural symptom evolution, is unknown.
View Article and Find Full Text PDFInfluenza and Aging: Clinical Manifestations, Complications, and Treatment Approaches in Older Adults.
Drugs Aging
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University Hospitals of Cleveland, 11100 Euclid Ave, Mailstop 5083, Cleveland, OH, 44106, USA.
Influenza, a highly contagious respiratory viral illness, poses significant global health risks, particularly affecting older and those with chronic health conditions. Influenza viruses, primarily types A and B, are responsible for seasonal human infections and exhibit a propensity for antigenic drift and shift, contributing to seasonal epidemics and pandemics. The severity of influenza varies, but severe cases often lead to pneumonia, acute respiratory distress syndrome, and multiorgan failure.
View Article and Find Full Text PDFChallenges and Opportunities for Adult Vaccine Coverage: Insights for Healthcare Professionals Focusing on Herpes Zoster in Mexico.
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GSK México, Torre Mitikah Piso 19 y 20, Circuito Interior Avenida Río Churubusco 601, Col. Xoco. Alc. Benito Juárez, Mexico City 03330, Mexico.
Herpes zoster (HZ) is a common disease in older adults and immunocompromised patients, and is frequently associated with long-term complications that impact quality of life. Fortunately, more than one vaccine against HZ is now available in Mexico. Two expert consensus groups discussed adult vaccination strategies in Mexico, focusing on HZ in older adults and immunocompromised individuals; their insights are reported here.
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